US4744079A - Data packet multiplexer/demultiplexer - Google Patents
Data packet multiplexer/demultiplexer Download PDFInfo
- Publication number
- US4744079A US4744079A US06/913,923 US91392386A US4744079A US 4744079 A US4744079 A US 4744079A US 91392386 A US91392386 A US 91392386A US 4744079 A US4744079 A US 4744079A
- Authority
- US
- United States
- Prior art keywords
- data
- serial
- parallel
- buffer
- demultiplexer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000872 buffer Substances 0.000 claims description 51
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/913,923 US4744079A (en) | 1986-10-01 | 1986-10-01 | Data packet multiplexer/demultiplexer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/913,923 US4744079A (en) | 1986-10-01 | 1986-10-01 | Data packet multiplexer/demultiplexer |
Publications (1)
Publication Number | Publication Date |
---|---|
US4744079A true US4744079A (en) | 1988-05-10 |
Family
ID=25433731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/913,923 Expired - Fee Related US4744079A (en) | 1986-10-01 | 1986-10-01 | Data packet multiplexer/demultiplexer |
Country Status (1)
Country | Link |
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US (1) | US4744079A (en) |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4823312A (en) * | 1986-10-30 | 1989-04-18 | National Semiconductor Corp. | Asynchronous communications element |
US4833671A (en) * | 1987-11-10 | 1989-05-23 | Bell Communications Research, Inc. | DTDM multiplexing circuitry |
US4995056A (en) * | 1989-01-13 | 1991-02-19 | International Business Machines Corporation | System and method for data communications |
US5241660A (en) * | 1986-10-30 | 1993-08-31 | National Semiconductor Corporation | Buffered asynchronous communications element with receive/transmit control and status reporting |
US5745704A (en) * | 1994-10-28 | 1998-04-28 | Nikon Corporation | Data communication control device |
US5754803A (en) * | 1996-06-27 | 1998-05-19 | Interdigital Technology Corporation | Parallel packetized intermodule arbitrated high speed control and data bus |
US20020021686A1 (en) * | 1996-06-27 | 2002-02-21 | Ozluturk Fatih M. | System for using rapid acquisition spreading codes for spread-spectrum communications |
US20020036996A1 (en) * | 1995-06-30 | 2002-03-28 | Ozluturk Fatih M. | Initial power control for spread-spectrum communications |
US6456608B1 (en) | 1995-06-30 | 2002-09-24 | Interdigital Technology Corporation | Adaptive vector correlator using weighting signals for spread-spectrum communications |
US20020141478A1 (en) * | 1995-06-30 | 2002-10-03 | Ozluturk Fatih M. | Apparatus for initial power control for spread-spectrum communications |
US6697350B2 (en) | 1995-06-30 | 2004-02-24 | Interdigital Technology Corporation | Adaptive vector correlator for spread-spectrum communications |
US6788662B2 (en) | 1995-06-30 | 2004-09-07 | Interdigital Technology Corporation | Method for adaptive reverse power control for spread-spectrum communications |
US6816473B2 (en) | 1995-06-30 | 2004-11-09 | Interdigital Technology Corporation | Method for adaptive forward power control for spread-spectrum communications |
US6940840B2 (en) | 1995-06-30 | 2005-09-06 | Interdigital Technology Corporation | Apparatus for adaptive reverse power control for spread-spectrum communications |
US20060083230A1 (en) * | 2004-10-15 | 2006-04-20 | Fujitsu Limited | Method and apparatus for transferring data |
US7903613B2 (en) | 1995-06-30 | 2011-03-08 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
US7929498B2 (en) | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
US11063596B1 (en) * | 2021-01-07 | 2021-07-13 | Global Unichip Corporation | Frame decoding circuit and method for performing frame decoding |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4143246A (en) * | 1977-09-06 | 1979-03-06 | Bell Telephone Laboratories, Incorporated | Time division line interface circuit |
US4603416A (en) * | 1982-12-29 | 1986-07-29 | Michel Servel | (Time division multiplex) switching system for routing trains of constant length data packets |
US4638474A (en) * | 1984-12-14 | 1987-01-20 | Itt Corporation | Communication system |
-
1986
- 1986-10-01 US US06/913,923 patent/US4744079A/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4143246A (en) * | 1977-09-06 | 1979-03-06 | Bell Telephone Laboratories, Incorporated | Time division line interface circuit |
US4603416A (en) * | 1982-12-29 | 1986-07-29 | Michel Servel | (Time division multiplex) switching system for routing trains of constant length data packets |
US4638474A (en) * | 1984-12-14 | 1987-01-20 | Itt Corporation | Communication system |
Cited By (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4823312A (en) * | 1986-10-30 | 1989-04-18 | National Semiconductor Corp. | Asynchronous communications element |
US5241660A (en) * | 1986-10-30 | 1993-08-31 | National Semiconductor Corporation | Buffered asynchronous communications element with receive/transmit control and status reporting |
US5287458A (en) * | 1986-10-30 | 1994-02-15 | National Semiconductor Corporation | Buffered asynchronous communications elements with receive/transmit control and status reporting |
US4833671A (en) * | 1987-11-10 | 1989-05-23 | Bell Communications Research, Inc. | DTDM multiplexing circuitry |
US4995056A (en) * | 1989-01-13 | 1991-02-19 | International Business Machines Corporation | System and method for data communications |
US5745704A (en) * | 1994-10-28 | 1998-04-28 | Nikon Corporation | Data communication control device |
US6707805B2 (en) | 1995-06-30 | 2004-03-16 | Interdigital Technology Corporation | Method for initial power control for spread-spectrum communications |
US6816473B2 (en) | 1995-06-30 | 2004-11-09 | Interdigital Technology Corporation | Method for adaptive forward power control for spread-spectrum communications |
US20020036996A1 (en) * | 1995-06-30 | 2002-03-28 | Ozluturk Fatih M. | Initial power control for spread-spectrum communications |
US9564963B2 (en) | 1995-06-30 | 2017-02-07 | Interdigital Technology Corporation | Automatic power control system for a code division multiple access (CDMA) communications system |
US6456608B1 (en) | 1995-06-30 | 2002-09-24 | Interdigital Technology Corporation | Adaptive vector correlator using weighting signals for spread-spectrum communications |
US20020141478A1 (en) * | 1995-06-30 | 2002-10-03 | Ozluturk Fatih M. | Apparatus for initial power control for spread-spectrum communications |
US20030193914A1 (en) * | 1995-06-30 | 2003-10-16 | Gary Lomp | Rapid acquisition spreading codes for spread-spectrum communications |
US6697350B2 (en) | 1995-06-30 | 2004-02-24 | Interdigital Technology Corporation | Adaptive vector correlator for spread-spectrum communications |
US7593453B2 (en) | 1995-06-30 | 2009-09-22 | Interdigital Technology Corporation | Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system |
US6721301B2 (en) | 1995-06-30 | 2004-04-13 | Interdigital Technology Corporation | Centroid tracking for spread-spectrum communications |
US6788662B2 (en) | 1995-06-30 | 2004-09-07 | Interdigital Technology Corporation | Method for adaptive reverse power control for spread-spectrum communications |
US8737363B2 (en) | 1995-06-30 | 2014-05-27 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
US7929498B2 (en) | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
US7903613B2 (en) | 1995-06-30 | 2011-03-08 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
US6940840B2 (en) | 1995-06-30 | 2005-09-06 | Interdigital Technology Corporation | Apparatus for adaptive reverse power control for spread-spectrum communications |
US6983009B2 (en) | 1995-06-30 | 2006-01-03 | Interdigital Technology Corporation | Median weighted tracking for spread-spectrum communications |
US7756190B2 (en) | 1995-06-30 | 2010-07-13 | Interdigital Technology Corporation | Transferring voice and non-voice data |
US7706332B2 (en) | 1995-06-30 | 2010-04-27 | Interdigital Technology Corporation | Method and subscriber unit for performing power control |
US7072380B2 (en) | 1995-06-30 | 2006-07-04 | Interdigital Technology Corporation | Apparatus for initial power control for spread-spectrum communications |
US7123600B2 (en) | 1995-06-30 | 2006-10-17 | Interdigital Technology Corporation | Initial power control for spread-spectrum communications |
US7502406B2 (en) | 1995-06-30 | 2009-03-10 | Interdigital Technology Corporation | Automatic power control system for a code division multiple access (CDMA) communications system |
US7535874B2 (en) | 1995-06-30 | 2009-05-19 | Interdigital Technology Corporation | Method and apparatus for adaptive power control for spread-spectrum communications |
US6405272B1 (en) | 1996-06-27 | 2002-06-11 | Interdigital Technology Corporation | System and method for arbitration of a plurality of processing modules |
US7020111B2 (en) | 1996-06-27 | 2006-03-28 | Interdigital Technology Corporation | System for using rapid acquisition spreading codes for spread-spectrum communications |
US20050097251A1 (en) * | 1996-06-27 | 2005-05-05 | Interdigital Technology Corporation | System and method for arbitration of a plurality of processing modules |
US6823412B2 (en) | 1996-06-27 | 2004-11-23 | Interdigital Technology Corporation | System and method for arbitration of a plurality of processing modules |
US20020021686A1 (en) * | 1996-06-27 | 2002-02-21 | Ozluturk Fatih M. | System for using rapid acquisition spreading codes for spread-spectrum communications |
US5754803A (en) * | 1996-06-27 | 1998-05-19 | Interdigital Technology Corporation | Parallel packetized intermodule arbitrated high speed control and data bus |
US20060083230A1 (en) * | 2004-10-15 | 2006-04-20 | Fujitsu Limited | Method and apparatus for transferring data |
US8427955B2 (en) * | 2004-10-15 | 2013-04-23 | Fujitsu Semiconductor Limited | Method and apparatus for transferring data |
US11063596B1 (en) * | 2021-01-07 | 2021-07-13 | Global Unichip Corporation | Frame decoding circuit and method for performing frame decoding |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: GTE COMMUNICATION SYSTEMS CORPORATION, NORTHLAKE, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:CSAPO, JOHN;SCHLECHTE, GARY L.;WILLIAMS, VICTOR F.;REEL/FRAME:004676/0892 Effective date: 19860801 |
|
AS | Assignment |
Owner name: AG COMMUNICATION SYSTEMS CORPORATION, 2500 W. UTOP Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:GTE COMMUNICATION SYSTEMS CORPORATION;REEL/FRAME:005060/0501 Effective date: 19881228 |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
REMI | Maintenance fee reminder mailed | ||
LAPS | Lapse for failure to pay maintenance fees | ||
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 20000510 |
|
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |